InChI=1S/C26H40BrFO4/c1-2-3-4-5-6-7-8-9-10-11-12-13-19-31-25(29)15-14-16-26(30)32-21-22-20-23(28)17-18-24(22)27/h17-18,20H,2-16,19,21H2,1H3